Balance-ball for scales.



MICHAEL RUCKE'S, OF BEAVER FALLS, PENNSYLVANIA.

BALANCE-B ALL FOR SCALES.

To @ZZ whom tt may concern.'

Be it known that I, MICHAEL HUGHES, a citizen of the United States, residing st Beaver Falls, in the county of Beaver and State of Pennsylvanie, have invented e new :ind useful 'Improve/ni ent in Balance-Balls for Scales, of which improvement the following' is e specification.

My invention relates to improvements in weighing' scales and particularly to the belenoe ball in use thereon.

The object of my invention is to prevent the balance ball when adjusted et any point, from being disturbed accidentally, and to eccomplish this purpose, consists in the novel construction land arrangement of parts hereinafter' described, reference being had to the accompanying drawings, forming' part hereof, in whichm Figure l is a longitudinal sec/Lion ol' the bell. Fig'. is the seme showing the three-ded rod on Which the ball is movebly mounted; also the mechanism for holding; the bell thereon against movement. Fig'. 3 is en end view of seme. Figs. 4- end 5 are details of securing' Washer.

Referring' to seid diewiiige, C is a. balance bell in which, longitudinally thereof, is formed en orifice ll', one end of which is screw threaded and the opposite end terminates in an enlarged portion G in which the washer A and the spiral spring' D are seated, the seid enlarged portion conforming in cross section to the configuration of said Washer A, being provided with grooves in the Walls thereof which receive the projections F on seid Washer for the purpose of preventing Specification of Letters Fatent.

Application led September 6, 1907.

Patented May l1, 1909.

Serial No. 391,609.

seid Washer' from turning' in said orifice. The seid Washer and spring ere mounted on one end of the threaded rod B on which the balance ball is movebly mounted.

l claim as my invention end desire to secure by Letters Patent:

l. A balance bell for weighing' scales hering` e. centrally disposed orifice longitudinally thereof end e recess at one end of said orifice in combination with e threaded shaft on which seid bell is movnbly mounted, e Washer mounted on one end of seid shaft and seated in said recess, a springl mounted on seid shaft between seid Washer and the bottom of said recess.

2. A balance ball for weighing' scales, heving a centrally disposed orifice longitudinally thereof, terminating' at one end in an enlarged portion or recess in the sides of which grooves are formed, a threaded shaft on which seid ball is movably mounted, a Washer seated in said recess and havingl projections adapted to lit in the grooves in the sides thereof, e. spirel spring mounted on seid shaft between the bottom of said recess and seid Washer, the constant pressure of which against the bottom oll said recess end seid Washer holds seid bell to any point to which it may be adjusted on said shaft.

ln testimony whereof, l have hereunto signed my neme in the presence of tivo subscribing' witnesses.

MIC HAEL ln the presenee of- ALMOND R. LEYDA, Jol-IN H. THUsMAN.

ii UCKES. 

